Here is a list of all functions with links to the files they belong to:

### - i -

- SDL_iconv() : SDL_stdinc.h
- SDL_iconv_close() : SDL_stdinc.h
- SDL_iconv_open() : SDL_stdinc.h
- SDL_iconv_string() : SDL_stdinc.h
- SDL_Init() : SDL_init.h
- SDL_InitHapticRumble() : SDL_haptic.h
- SDL_InitSubSystem() : SDL_init.h
- SDL_InsertGPUDebugLabel() : SDL_gpu.h
- SDL_InsertTrayEntryAt() : SDL_tray.h
- SDL_IOFromConstMem() : SDL_iostream.h
- SDL_IOFromDynamicMem() : SDL_iostream.h
- SDL_IOFromFile() : SDL_iostream.h
- SDL_IOFromMem() : SDL_iostream.h
- SDL_IOprintf() : SDL_iostream.h
- SDL_IOvprintf() : SDL_iostream.h
- SDL_isalnum() : SDL_stdinc.h
- SDL_isalpha() : SDL_stdinc.h
- SDL_IsAudioDevicePhysical() : SDL_audio.h
- SDL_IsAudioDevicePlayback() : SDL_audio.h
- SDL_isblank() : SDL_stdinc.h
- SDL_iscntrl() : SDL_stdinc.h
- SDL_isdigit() : SDL_stdinc.h
- SDL_IsGamepad() : SDL_gamepad.h
- SDL_isgraph() : SDL_stdinc.h
- SDL_isinf() : SDL_stdinc.h
- SDL_isinff() : SDL_stdinc.h
- SDL_IsJoystickHaptic() : SDL_haptic.h
- SDL_IsJoystickVirtual() : SDL_joystick.h
- SDL_islower() : SDL_stdinc.h
- SDL_IsMainThread() : SDL_init.h
- SDL_IsMouseHaptic() : SDL_haptic.h
- SDL_isnan() : SDL_stdinc.h
- SDL_isnanf() : SDL_stdinc.h
- SDL_isprint() : SDL_stdinc.h
- SDL_ispunct() : SDL_stdinc.h
- SDL_isspace() : SDL_stdinc.h
- SDL_IsTablet() : SDL_system.h
- SDL_IsTV() : SDL_system.h
- SDL_isupper() : SDL_stdinc.h
- SDL_isxdigit() : SDL_stdinc.h
- SDL_itoa() : SDL_stdinc.h